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Advances in High Energy Physics
Volume 2012, Article ID 761953, 12 pages
Research Article

Mass Mixing Effect and Oblique Radiative Corrections in Extended Effective Theory

School of Science, Xi'an Jiaotong University, Xi'an 710049, China

Received 29 August 2011; Accepted 15 September 2011

Academic Editor: Marc Sher

Copyright © 2012 Ying Zhang. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We analyze the properties of electroweak chiral effective Lagrangian with an extended gauge group. Right-handed gauge bosons affect electroweak observables by mixing with electroweak gauge bosons and . We discuss all possible mass mixing terms and calculate the exact physical mass eigenvalues by diagonalization of mixing matrix without any approximate assumptions. The contributions to oblique radiative corrections parameters STU from fields are also presented.